21734 Castlemont Ln, Spring, TX 77388 Property Records

Harris County property record for 21734 Castlemont Ln, Spring, TX 77388

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 1,894 sqft · built 1984
Lot Size	0.238 acres (10,385 sqft)
Owner	Individual Name on File
Last Sale	$247,925 (Mar 2023)
Tax Bill	$4,069 (2025)
Deeds & Mortgages	Mar 2023 Sale Oct 2022 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`115-257-009-0001`

Property Details

APN / Parcel Number

Primary APN	`115-257-009-0001`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Plumbing Fixtures	10 Plumbing Fixtures
Total Rooms	7 Rooms
Stories	1 Story
Building Area	1,894 sqft Living Area
1st Floor Area	1,894 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1984
Effective Year Built	Effective 1984
Architectural Style	Traditional
Exterior Material	Brick Veneer
Construction Type	Brick
Foundation Type	Slab (Mat/Raft)
Lot Area	10,385 sqft (0.238 acres)
View / Lot	Neighborhood
Garage Area	504 sqft
Parking Spaces	2 Parking Spaces
Porch	Open Frame Porch
Porch Area	30 sqft
Shed	1 Shed

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central
Heating Fuel	Gas
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Account Number	1152570090001
Street Address	21734 CASTLEMONT LN
City	SPRING
State	TX
Zip	77388-3803
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LT 1 BLK 9 BRIDGESTONE SEC 4 R/P
Legal Subdivision	BRIDGESTONE SEC 4 R/P
Legal Block	9
Legal Lot Number	1
Jurisdiction	HARRIS TX
Township / Civil Division	NORTHWEST HARRIS
Census Block Group	2
Census Block	2014
Census Tract	555002

Owner

21734 Castlemont Ln is owned and occupied by an individual who bought it in March 2023.

Source: Harris County records, as of September 29, 2026

Owner of Record	Individual Name on File
Mailing Address	21734 CASTLEMONT LN, SPRING, TX 77388-3803
Occupancy	Owner Occupied
Owner Type	Individual

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Date	Document
Mar 8, 2023	Vendor's Lien, Transfer GREAT AMERICAN TITLE
Oct 20, 2022	Vendor's Lien, Transfer · Commercial Mortgage BOOMERANG FINANCE SUB REIT LLC
Feb 6, 2017	Warranty Deed, Transfer GREAT AMERICAN TITLE

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Mar 8, 2023 · Amount on File
Deed Sale	Mar 8, 2023 · Amount on File
Prior Sale	Oct 20, 2022 · Amount on File
Deed Document Number	202381483
Record Updated	Oct 29, 2026

March 2023: Vendor's Lien, Transfer

Document Type	Vendor's Lien
Jurisdiction	HARRIS TX
Recording Date	Mar 8, 2023
Property Address	21734 CASTLEMONT LN, SPRING, TX 77388-3803
Document Number	0000081483
Map Reference	VOL 314 PG 84
Instrument Date	Mar 6, 2023
Instrument	2023-081483
Transaction Type	Transfer
Record Updated	Jun 30, 2026
Title Company	GREAT AMERICAN TITLE

Transaction

Tax	$0.00
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	1123 CASTLEDALE DR, HOUSTON, TX 77037-3423

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	21734 CASTLEMONT LN, SPRING, TX 77388-3803

October 2022: Vendor's Lien, Transfer

Document Type	Vendor's Lien
Jurisdiction	HARRIS TX
Recording Date	Oct 20, 2022
Property Address	21734 CASTLEMONT LN, SPRING, TX 77388-3803
Document Number	0000517112
Map Reference	VOL 314 PG 84
Instrument Date	Oct 18, 2022
Instrument	2022-517112
Transaction Type	Transfer
Record Updated	Jun 30, 2026
Title Company	GREAT AMERICAN TITLE

Transaction

Tax	$0.00
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	15215 NEW HASTINGS DR, HOUSTON, TX 77095-2930

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1123 CASTLEDALE DR, HOUSTON, TX 77037-3423

Mortgage

Document Number	0000517113
Date	Oct 20, 2022
Instrument	2022-517113

Lender

Name	BOOMERANG FINANCE SUB REIT LLC
Type	Non-Lending Institution
Special Notes	Seller Financed

Agreement

Type	Commercial Mortgage
Amount	Amount on Record

February 2017: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	HARRIS TX
Recording Date	Feb 6, 2017
Property Address	21734 CASTLEMONT LN, SPRING, TX 77388-3803
Document Number	0000052219
Instrument Date	Jan 31, 2017
Instrument	52219
Transaction Type	Transfer
Record Updated	Mar 14, 2017
Title Company	GREAT AMERICAN TITLE

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	15215 NEW HASTINGS DR HOUSTON TX 770952930, HOUSTON, TX 77095-2930

Tax Assessment & Valuation

The 2025 property tax bill for 21734 Castlemont Ln was $4,069 with a homeowner's exemption, up 15.5% from the year before.

Source: Harris County assessment roll, as of September 29, 2026

Property Jurisdictions

Type	Name
State	Texas
County	Harris County
Unified School District	Klein Independent School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$249,703 (-2.7%) Land $51,377 Building $198,326	$249,703 (-2.7%) Land $51,377 Building $198,326
2025	$4,069.00 (+15.53%) Homeowner's exemption	$256,639 Land $51,377 Building $205,262	$256,639 Land $51,377 Building $205,262
2024	$3,522.00
2023		$266,060 Land $51,377 Building $214,683	$266,060 Land $51,377 Building $214,683
2022	$4,774.00
2020	$3,273.00

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

FEMA maps place 21734 Castlemont Ln in Zone X, an area of minimal flood risk, though there have been 5 flood claims nearby since 2008.

Source: FEMA National Flood Hazard Layer, effective May 17, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on File median of 57 policies
Community Rating System	Class 7 (15% premium discount)
Nearby Flood Policies	57 in force
Nearby Flood Claims	5 (2008–2023)
Claims Outside the SFHA	5 of 5
Most Recent Claim	Jan 2023 · rainfall accumulation
Claims by Event	Severe Storms And Flooding, Jun 2016 · 3 claims

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

Wildfire risk around 21734 Castlemont Ln is low, with less than a 0.01% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Low lower than 99.1% of the US · lower than 99.3% of Texas
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None beyond ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	BRIDGESTONE MUD serves 24,528 people · EPA ID TX1011550
Water Source	Purchased surface water from several systems
Last State Inspection	May 2023
Lead	4 ppb (2024–2026) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	1 last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes. This system sells water to local utilities; the supplier billing this address may be one of them.

Internet Providers

Source: FCC Broadband Data Collection, based on 555 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber · DSL	5,000 / 5,000
Xfinity Cable	2,000 / 250
Spectrum Cable	1,000 / 1,000
Verizon Fixed Wireless	300 / 20

May also be available: T-Mobile.

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